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Information Journal Paper

Title

Application of electrochemical coagulation process with iron and aluminum modified by zinc oxide nanoparticles by cyclic voltammetry in removal of reactive blue 19 dye

Pages

  87-94

Abstract

 In recent years, the processes used in wastewater treatment have received significant advances in various fields, including the Electrochemical coagulation process as a significant innovation in the water and wastewater industry. The application of electrochemical technologies in the water and wastewater industry is very diverse. This technique has been applied in various situations and industries to remove a wide range of pollutants. Reactive dyes are a group of dyes widely used for dyeing cellulose fibers, especially linen fabrics used. The anthracavon dyes after the azo dyes are the second group of textile dyes. Reactive blue 19 is the anthraquinone dye in terms of color factor. Various methods have been used to treat this type of wastewater, including various physical and chemical treatment methods (such as filtration, settling, ozonation), each with its own disadvantages such as: low efficiency, high cost, high time and cause secondary pollution. Accordingly, Electrochemical coagulation treatment to remove contamination from dye wastewater due to its high efficiency is studied. The purpose of this study was to evaluate the electrochemical removal of Reactive blue 19 dye using iron and aluminum electrodes. The dye concentration was also considered at 200 mg/L for all stages and all experiments were performed at ambient temperature. Main parameters such as electrode spacing, type of electrode arrangement, anode electrode (iron and aluminum), coating of aluminum electrode with ZnO nanoparticles by physical evaporation layer-addressing method and evaluation of coating performance by scanning speed Cyclic voltammetry system and different voltage ranges were used. In the optimum condition in the removal of synthetic contaminants including electrode distance of 3 cm, parallel monopolar electrode arrangement, use of iron anode electrode pair and aluminum cathode with ZnO nanoparticle coating, retention time equals to 32. 66 minutes, current density 14. 34 mA/cm2 and initial pH of 4, the percentage of dye wastwater was 93. 8 percent. The use of zinc oxide nanoparticles coated by the physical evaporation layering method also improved the 173. 12% electrical current.

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    APA: Copy

    DELNAVAZ, M., & BAHRAMI, D.. (2021). Application of electrochemical coagulation process with iron and aluminum modified by zinc oxide nanoparticles by cyclic voltammetry in removal of reactive blue 19 dye. SHARIF: CIVIL ENINEERING, 37-2(1/2 ), 87-94. SID. https://sid.ir/paper/961789/en

    Vancouver: Copy

    DELNAVAZ M., BAHRAMI D.. Application of electrochemical coagulation process with iron and aluminum modified by zinc oxide nanoparticles by cyclic voltammetry in removal of reactive blue 19 dye. SHARIF: CIVIL ENINEERING[Internet]. 2021;37-2(1/2 ):87-94. Available from: https://sid.ir/paper/961789/en

    IEEE: Copy

    M. DELNAVAZ, and D. BAHRAMI, “Application of electrochemical coagulation process with iron and aluminum modified by zinc oxide nanoparticles by cyclic voltammetry in removal of reactive blue 19 dye,” SHARIF: CIVIL ENINEERING, vol. 37-2, no. 1/2 , pp. 87–94, 2021, [Online]. Available: https://sid.ir/paper/961789/en

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